Tools of the trade: Osstell ISQ


by Dr Ram Das, Divine Smiles, Brisbane, QLD


This piece of equipment is used to measure the stability of an implant with resonance frequency analysis. I’ve used it with almost every implant I’ve placed during the past three years.


What’s good about it

It gives an instantaneous reading from which you can decide whether to load the implant or to wait for a certain period of time. It is especially useful in immediate implant placement. If the reading is above a certain number—say 70—it is an indication that implant is well integrated into the bone and you can proceed to load the implant. A reading as low as 30 means something is not right and requires further investigation.

It would be advisable to repeat a reading after a couple of months and see if there has been any change for the better or worse. Hopefully by then, the reading will have increased so you can load it. If the reading has gone lower, then you can be pretty certain the implant is failing. Basically, the Osstell ISQ is a positive measuring device that gives you an indication of osseointegeration.

It’s a very easy machine to use and you can integrate it with your practice software. It’s also a very hardy machine. I’ve not had any problems with it.


What’s not so good

You have to correlate the reading with other factors. Just because you have a high reading, it doesn’t mean you can go ahead and load the implant. You need to use your clinical judgement, as well. Also, the smart pegs that are attached to the implant to obtain a reading are slightly expensive.


Where did you get it?

I purchased mine directly from overseas but the authorised dealer is Neoss Australia.


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